Brake-shoe.



B.-C ROWELL.

v BRAKE sHp'E. APPLICATION FILED JAN. 2. 915.

Patented June 13, 1916.

3 SHEETS-SHEET l.

B C. ROWELL.

BRAKE SHOE.

APPLICATION FILED JAN. 2.19m.

3 SHEETS-SHEET 2L Patented June 18, 1916.

B. C. ROWELL.

BRAKE SHOE. APPLICATION FILED JAN. 2. 191-5.

PatentedJune 13, 1916. I

a snzns sum 3 I provision of improved means for anchoring STATES PATENT OFFICE.

BENTON C. BQWELL, OF CHICAGO, ILLINOIS, ASSIGNOR TO ANCHOR BRAKE SHOE AND MANUFACTURING COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

JRAKE-SI-IOF .To all whom/it may concern Be it known that I, BENJEON Q/QROXVELL, a citizen of the United Statesya nd a resident of Chicago, in the State of Illinois, have invented certain new and useful lmpro've- .inents in Brake-Shoes, .of which the following is aspecification'.

My present inventionrelates to wearing brakes or shoes: such as arelcommonly used on railway rollingstock, and more particularly to brake shoes for this purpose" which contain-wear resistinginserts of different metal than :the body of the shoe.

The principal objects of my present inj yention are the provision of reinforcements for the body of the. shoe .which shall give maximum strength to all parts of-the shoe;

, the provision of reinforcing memberswhich are adapted to protect the corners or upper edges of the shoe from external injury; the

- provision of improved means for attach- .ing the supporting strap or lug of the shoe to the reinforcing members; the provision of 'means for attaching wearing inserts to the reinforcing members of the shoe; the

the wearing inserts in the body of the shoe and generally to improve, cheapen andsiml plifythe constructionof brake shoes for 'railway'or other vehicles together with such further objects as will hereinafter appear.

certain additional advantages to be below In attaining the foregoing objects and disclosed I have provided the construction illustrated in the accompanying drawings,

-' whereinz- Figure 1 is a plan view of the improved brake shoe as a whole; Fig. 2 is a section of the improved brake shoe on plane 5 in position; Fig. 1 is a section on the plane 4-4 of Fig. 2 showing the relation between the wear resisting inserts, the reinforcement, and the. body portion of the shoe; Fig. 5 is a section onthe plane 55 of Fig.

1; Fig. 6 is asectionon the plane 61- 6 of" Fig. 2 showing the body portion in 312515 tion; Fig. 7 is a sideelevation of one of the r two reinforcing members; Fig. 8 1S asec t on through the supporting strap of amodified specification ofIetters Patent. Patented June 13 1916,

Application filed January 2, 1915. Serial No. 51.

form of brake shoe specially adapted for use 1n connection with flanged wheels; Fig. 9 "1s a srdeelevation of the form of brake shoe shown insection in Fig.8; Fig. 10 1s a plan eview of a modified form of brake shoe; Fig. 11 is asection of the brake shoe structed in accordance with my present invention.

, Referencewillnow be made to Figs; 1 to 7 which illustrate the first of these forms. The particular form of reinforcement used will be described first. This reinforcement of the brake shoe at the upper side thereof. so as to inclose the two upper corners or edges of thejbrake shoe. The vertical parts 11 of these reinforcing members are conbrake shoe with the exception of countersunk aperturesil2 arranged therein to'facilitat'e the anchoring of the metal inserts in means bet-ween the body of the brake shoe and the reinforceinent.' I

At the centercbf each "reinforcing memher is formed a projecting part 14' adapted to act as an anchor or support to the bar 15 by which the brake shoe is attached to its supporting apparatus.

The substantially U-shaped wearing in-- serts 16 are attached to the reinforcing members in the manner illustrated in Fig. llheapertures 12 in the vertical parts 11 of the reinforcingmembers are countersunk on their outer sides so that when the inserts are cast in position between the two reinforcing members, the metal which flows into the aperture 12 dovetails with the reinforcing members so as to form anchors for the insert.

The body portion of the brakeshoe preferably consists as shown of two angular members 10. arranged on either side tinuous throughout the whole length of the is held in place, not only by the wearing,

inserts as illustrated in Figs. 4 and 5,

also by means of the ribbed parts 1 ar ranged on the inner walls of the vertical sides 11 of'the reinforcing members.

45 is,'howe.ver, arranged with its flanges ver- In the form of the invention illustrated in Figs. to 12 no wearing inserts are shown in Figs. 8 and 9, attention is called employed, the brake shoe body' being att-ached directly tothe reinforcementsi' by means of counter-sunk apertures 41 preferably arranged on the upper surface of the reinforcements. The body of the brake shoe yiscast in situ with the. reinforcing members arranged so that they will lie along the upper and outer corners of the brake shoe when the latter is formed. During the casting operation the metal of the shoe body enters the counter-sunk apertures. and forms a dove-tailc'onnection. between the shoe body and the reinforcing members.

to the fact that as the brake shoe is adapted particularly for use in connection with flanged wheels and is arranged so that the shoe overlies and extends beyond the flange of the wheel, the supporting strap 35 is ar- I ranged at one side 'of the brake shoe as a whole in order to be vertically over the part where the greatest resistance is encountered. This fact involves a somewhat peculiar form of construction for the supporting strap. Preferably as illustrated, the strapis connected to the reinforcing members 36 and 19 at each end. In this form of construction, as in the first form previously described, one reinforcing bar 19 is pre erably used in such a way that it protects the corner of the brake shoe from injury, while a rib or flange 37 'projecting into the materialof the shoe provides the necessary resistance to vertical movement which; is required by the supporting strap connected thereto. Accordingly, a channeled iron re-' inforcing member 19 is preferably used with one of its flanges 38 arranged externally with respect to the upper surface of the brake shoe,while the other flange extends substantially horizontally into the body of the shoe. The other reinforcing member. 36

tically arranged to provide a suitable support for the other end of the strap which 1 is formed with a head 40* for engagement to therewith.

The externally arranged channeled 'member 1-9 is secured to the body portion of the projecting flange, but also by means of an gage the channeled member 19. The other I endof the anchor- 20 is provided with a hooked portion 22. which is'embedded sebrake shoe not only by means of its inwardly anchor 20 having a head 21 adapted to en-' I adapted to overlie the flange, a reinforcing through sai member in said: body portion above the groove for the said flange and a second reinforcing member at the outer vertical face above the groove for' the said flange, and a.

second reinforcing member. externally ar-, ranged at the outer and upper corner of the said body portion.

3.. A brake shoe comprising a body portion-and a metallic channeled reinforcing.

member embedded in said body portion, a

second metallic channeled reinforcing mem- With regard to the form of construction berembedded insaid body portion having its flanges angularly arranged relatively to the flanges of the first member.

4. A brake "shoe comprising in combine-- tion, a body portion, a reinforcing-member embeddedtherein having a vertical portion with a series 'of apertures formed therein, and anchorin members adapted to be passed apertures and embedded in said body portion.

5. A brake shoe comprising in combination, a body portion, a. metallic channeled reinforcing member having a series of apertures formed therein, anchoring members adapted to be passed through said apertures,

heads on said anchoring members adapted toengage and hold the said reinforcing .members and hooked ends on said anchor- I ing members adapted to beiembedded in said body portion.

6. A brake shoe comprisinga body portion, an angular reinforclng member adapted to protect externally one corner of said brake shoe,. an'd means for attaching said reinforcing member to said body portion. '7. YA brake shoe comprising a body portion, an angular reinforcing member'adapted to protect externally one corner of the said body portion and a flange on the said reinforcing member projecting into and embedded in said body portion.

8. A brake shoe comprising, in combination, abody portion, an angular reinforcing member adapted to protect externally an upper edge of said body portion, and means for attaching t e vertical portion of said member to the b0 .y portion.

9. A brake shoe comprising, incombination, a body portion, an' externally arranged angular reinforcing member on one side of said body portion having an'upper substantially horizontal portion and a supporting member. having. one end' arranged under said horizontal portion.

10. A flanged brakeshoe comprising in combination, a, body having a flangeportion, a strengthening insert in said body portion, a strengthening insert in saii i flange portion, and an attaching lug engaging both of said strengthening inserts.

11. A brake shoe Comprising in combinasigned my name in the presence of the two tion be boddy potion, angular reinflprcing subscribed Witnesses. mem ers a apte to protect externa y the t upper edges of the said body portion, and BENTON O 5 means for connecting the vertical portions Witnesses: of the said reinforcing members. RIDSDALE ELLIS,

In testimony whereof I have hereunto DONALD C. VVILLIAMs. 

